57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
package com.bytezone.diskbrowser.applefile;
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import static com.bytezone.diskbrowser.utilities.Utility.getShort;
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import java.util.List;
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import com.bytezone.diskbrowser.gui.BasicPreferences;
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// -----------------------------------------------------------------------------------//
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public abstract class BasicFormatter implements ApplesoftConstants
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// -----------------------------------------------------------------------------------//
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{
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static final String NEWLINE = "\n";
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ApplesoftBasicProgram program;
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BasicPreferences basicPreferences;
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byte[] buffer;
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List<SourceLine> sourceLines;
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// ---------------------------------------------------------------------------------//
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public BasicFormatter (ApplesoftBasicProgram program, BasicPreferences basicPreferences)
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// ---------------------------------------------------------------------------------//
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{
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this.program = program;
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this.basicPreferences = basicPreferences;
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this.buffer = program.getBuffer ();
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this.sourceLines = program.getSourceLines ();
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}
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// ---------------------------------------------------------------------------------//
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public abstract void append (StringBuilder fullText);
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// ---------------------------------------------------------------------------------//
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// ---------------------------------------------------------------------------------//
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int getLoadAddress ()
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// ---------------------------------------------------------------------------------//
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{
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return (buffer.length > 3) ? getShort (buffer, 0) - getFirstLineLength () : 0;
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}
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// ---------------------------------------------------------------------------------//
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private int getFirstLineLength ()
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// ---------------------------------------------------------------------------------//
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{
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int linkField = getShort (buffer, 0);
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if (linkField == 0)
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return 2;
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int ptr = 4; // skip link field and line number
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while (ptr < buffer.length && buffer[ptr++] != 0)
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;
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return ptr;
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}
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}
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